poder usar markdown en las etiquetas de las plantillas

app/helpers/application_helper.rb

@@ -18,4 +18,8 @@ module ApplicationHelper
 
     "#{f.first}[#{f.last}]"
   end
+
+  def sanitize_markdown(text, options = {})
+    sanitize(CommonMarker.render_html(text), options)
+  end
 end

app/views/posts/_form.haml

@@ -126,7 +126,7 @@
           = fa_icon 'link', title: t('posts.anchor')
         - if template.private?
           = fa_icon 'lock', title: t('posts.private')
-        = template.label
+        = sanitize_markdown template.label, tags: %w[a]
         - if template.help
           %small.text-muted.form-text= template.help
       = render "posts/template_field/#{type}", template: template, name: template.key, value: value